. >>> a look at this massive crowd that filled the streets in tunisia. this was a public funeral of an opposition leader shot dead outside his home wednesday. thousands of grieving and angry folks marching with his coffin to a cemetery. many believe it was a political assassination. riot police have violently put down several public demonstrations since that shooting. >>> and of course getting back to california, one of our main stories here, the hunt for the former cop now a murder suspect. christopher dorner accused of killing three people around l.a. and declaring war on the entire lapd in a rampage seeking revenge for being fired. casey wian is with us from los angeles, and paul would ybuchan big bear. paul, i want to start off with you because we heard from the sheriff there and they continue the search even though the weather is pretty bad in big bear. they lost his tracks because the ground is frozen. so how are they pursuing this? >> reporter: well, they're continuing their search in this area. a number of law enforcement officers are also going